YYXC_Coach/JSJPCoach/HomeVC/SportPathVC.m

//
//  SportPathVC.m
//  LN_School
//
//  Created by EchoShacolee on 2017/8/7.
//  Copyright © 2017年 Danson. All rights reserved.
//

#import "SportPathVC.h"
#import "DateView.h"

// 运动结点信息类
@interface BMKSportNode : NSObject

//经纬度
@property (nonatomic, assign) CLLocationCoordinate2D coordinate;
//方向（角度）
@property (nonatomic, assign) CGFloat angle;
//距离
@property (nonatomic, assign) CGFloat distance;
//速度
@property (nonatomic, assign) CGFloat speed;

@end

@implementation BMKSportNode

@synthesize coordinate = _coordinate;
@synthesize angle = _angle;
@synthesize distance = _distance;
@synthesize speed = _speed;

@end

// 自定义BMKAnnotationView，用于显示运动者
@interface SportAnnotationView : BMKAnnotationView

@property (nonatomic, strong) UIImageView *imageView;

@end

@implementation SportAnnotationView

@synthesize imageView = _imageView;

- (id)initWithAnnotation:(id<BMKAnnotation>)annotation reuseIdentifier:(NSString *)reuseIdentifier {
    self = [super initWithAnnotation:annotation reuseIdentifier:reuseIdentifier];
    if (self) {
        [self setBounds:CGRectMake(0.f, 0.f, 22.f, 22.f)];
        _imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0.f, 0.f, 22.f, 22.f)];
        _imageView.image = [UIImage imageNamed:@"sportarrow.png"];
        [self addSubview:_imageView];
    }
    return self;
}

@end


@interface SportPathVC ()<BMKMapViewDelegate>
{
    BMKPolyline* polyline;//轨迹
    BMKPolygon * polygo;//围栏
    BMKPointAnnotation *sportAnnotation;
    SportAnnotationView *sportAnnotationView;
    
    NSMutableArray *sportNodes;//轨迹点
    NSInteger sportNodeNum;//轨迹点数
    NSInteger currentIndex;//当前结点
    
    NSString *theDate;
}

/**播放速度系数 最大1.9 最小0.1 */
@property (nonatomic, assign) CGFloat playSpeedFactor;

@end

@implementation SportPathVC

- (void)viewDidLoad {
    [super viewDidLoad];
    
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"yyyy-MM-dd"];
    
    self.title = [dateFormatter stringFromDate:[NSDate date]];
    
    //适配ios7
    if( ([[[UIDevice currentDevice] systemVersion] doubleValue]>=7.0)) {
        self.navigationController.navigationBar.translucent = NO;
    }
    
    _mapView.zoomLevel = 19;
    _mapView.delegate = self; // 此处记得不用的时候需要置nil，否则影响内存的释放
    
    theDate = self.title;
    sportNodes = [[NSMutableArray alloc] init];
    //初始化轨迹点
    [self getTrackPlayBack];
    
    //围栏
    [self creatDZWLWithZuoBiaoStr:self.dzwlStr];
}




-(void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    [_mapView viewWillAppear];
    _mapView.delegate = self; // 此处记得不用的时候需要置nil，否则影响内存的释放
}

-(void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    [_mapView viewWillDisappear];
    _mapView.delegate = nil; // 不用时，置nil
}

- (void)dealloc {
    if (_mapView) {
        _mapView = nil;
    }
}

//添加内置覆盖物
- (void)addOverlayView {
    
    CLLocationCoordinate2D paths[sportNodeNum];
    for (NSInteger i = 0; i < sportNodeNum; i++) {
        BMKSportNode *node = sportNodes[i];
        paths[i] = node.coordinate;
    }
    polyline = [BMKPolyline polylineWithCoordinates:paths count:sportNodeNum];
    [_mapView addOverlay:polyline];
    
    if (!sportAnnotation) {
        sportAnnotation = [[BMKPointAnnotation alloc]init];
    }
    sportAnnotation.coordinate = paths[0];
//    sportAnnotation.title = self.carNum;
    [_mapView addAnnotation:sportAnnotation];
    currentIndex = 0;
}

//runing
- (void)running {
    
    if (sportNodeNum == 0) {//无轨迹点
        return;
    }
    
    BMKSportNode *node = [sportNodes objectAtIndex:currentIndex % sportNodeNum];
    sportAnnotationView.imageView.transform = CGAffineTransformMakeRotation(node.angle);
    
    CGFloat time = 0.1;
    if (sportNodeNum < 60) {
        time = 0.2;
    }else if (sportNodeNum < 120) {
        time = 0.1;
    }else if (sportNodeNum < 240) {
        time = 0.05;
    }else if (sportNodeNum < 480) {
        time = 0.025;
    }else if (sportNodeNum < 960) {
        time = 0.0125;
    }else {
        time = 0.01;
    }
    
    
    [UIView animateWithDuration:time*_playSpeedFactor animations:^{
        currentIndex++;
        BMKSportNode *node = [sportNodes objectAtIndex:currentIndex % sportNodeNum];
        sportAnnotation.coordinate = node.coordinate;
    } completion:^(BOOL finished) {
        if (currentIndex == sportNodeNum) {
            currentIndex = 0;
            return;
        }
        [self running];
    }];
}

#pragma mark - btnClick

- (IBAction)playBtn:(id)sender {
    if (sportNodes.count == 0) {
        ShowMsg(@"暂无轨迹记录");
        return;
    }
    
    if (currentIndex != 0) {
        return;//运动中
    }
    
    [self running];
}


- (IBAction)speedUpAction:(UIButton *)sender {
    
    if (_playSpeedFactor > 0.1) {
        _playSpeedFactor -= 0.1;
    }else {
        ShowMsg(@"已达最大速度！");
    }
}


- (IBAction)slowDownAction:(UIButton *)sender {
    
    if (_playSpeedFactor < 1.9) {
        _playSpeedFactor += 0.1;
    }else {
        ShowMsg(@"已达最小速度！");
    }
}

#pragma mark 电子围栏相关
-(void)creatDZWLWithZuoBiaoStr:(NSString *)str{
    
    NSString *newStr = [str stringByReplacingOccurrencesOfString:@"#" withString:@"\""];
    NSData *data = [newStr dataUsingEncoding:NSUTF8StringEncoding];
    if (!data) {
        ShowMsg(@"数据异常，解析失败");
    }
    NSArray * arr = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
    
    
    CLLocationCoordinate2D * coords = malloc(arr.count*sizeof(CLLocationCoordinate2D));
    for (int i = 0; i < arr.count; i++) {
        NSDictionary * locationDic = arr[i];
        coords[i].latitude = [locationDic[@"lat"] floatValue];
        coords[i].longitude = [locationDic[@"lng"] floatValue];
        if (i==1 && sportNodes.count == 0) {
            _mapView.centerCoordinate = coords[i];
        }
    }
    polygo = [BMKPolygon polygonWithCoordinates:coords count:arr.count];
    [_mapView addOverlay: polygo];
    
}


#pragma mark - BMKMapViewDelegate

//- (void)mapViewDidFinishLoading:(BMKMapView *)mapView {
//    [self addOverlayView];
//}

//根据overlay生成对应的View
- (BMKOverlayView *)mapView:(BMKMapView *)mapView viewForOverlay:(id <BMKOverlay>)overlay
{
    if ([overlay isKindOfClass:[BMKPolyline class]])
    {
        BMKPolylineView* polygonView = [[BMKPolylineView alloc] initWithOverlay:overlay];
        polygonView.strokeColor = [[UIColor blackColor] initWithRed:0.0 green:0.5 blue:0.0 alpha:0.6];
        polygonView.lineWidth = 1.5;
        return polygonView;
    }
    
    if ([overlay isKindOfClass:[BMKPolygon class]]){
        BMKPolygonView* polygonView = [[BMKPolygonView alloc] initWithOverlay:overlay];
        polygonView.strokeColor = [[UIColor alloc] initWithRed:0.0 green:0 blue:0.5 alpha:1];
        polygonView.fillColor = [[UIColor alloc] initWithRed:0 green:1 blue:1 alpha:0.2];
        polygonView.lineWidth =2.0;
        polygonView.lineDash = YES;//是否为虚线样式 (overlay == polygo)
        return polygonView;
    }
    return nil;
}


// 根据anntation生成对应的View
- (BMKAnnotationView *)mapView:(BMKMapView *)mapView viewForAnnotation:(id <BMKAnnotation>)annotation
{
    if (sportAnnotationView == nil) {
        sportAnnotationView = [[SportAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"sportsAnnotation"];
        
        sportAnnotationView.draggable = NO;
        BMKSportNode *node = [sportNodes firstObject];
        sportAnnotationView.imageView.transform = CGAffineTransformMakeRotation(node.angle);
        
    }
    return sportAnnotationView;
}

- (void)mapView:(BMKMapView *)mapView didAddAnnotationViews:(NSArray *)views {
    [self running];
}


#pragma mark //轨迹

-(void)getTrackPlayBack{

    BOOL isSetCenter = NO;
    if (self.gpsListArr.count > 0) {
        
        for (NSDictionary *dic in self.gpsListArr) {
            
            if ([dic[@"GPI_BD_LATITUDE"] length] < 1 || [dic[@"GPI_BD_LONGITUDE"] length] < 1) {
                continue;
            }
            
            BMKSportNode *sportNode = [[BMKSportNode alloc] init];
            sportNode.coordinate = CLLocationCoordinate2DMake([dic[@"GPI_BD_LATITUDE"] doubleValue], [dic[@"GPI_BD_LONGITUDE"] doubleValue]);
//            sportNode.angle    = [dic[@"DIRECTION"] doubleValue];
//            sportNode.distance  = [dic[@"MILEAGE"] doubleValue];
//            sportNode.speed    = [dic[@"LOCATIONSPEED"] doubleValue];
            [sportNodes addObject:sportNode];//调接口前有做清零
            
            if (!isSetCenter) {
                _mapView.centerCoordinate = sportNode.coordinate;
                isSetCenter = YES;
            }
            //                NSLog(@"xxxx-- 方向%f  距离%f  速度%f",sportNode.angle,sportNode.distance,sportNode.speed);
        }
        
        _playSpeedFactor = 1.0;
        sportNodeNum = sportNodes.count;
        [self addOverlayView];
    }else{
        
        //没有运动轨迹
//        ShowMsg(@"暂无轨迹记录");
    }
}



@end